A kind of AMOLED display floater and preparation method thereof and display unit
Technical field
The present invention relates to Display Technique field, particularly, relate to a kind of AMOLED display floater and preparation method thereof and display unit.
Background technology
AMOLED (Active Matrix/Organic Light Emitting Diode) is active matrix organic LED panel.Compare traditional liquid crystal panel, AMOLED has the features such as reaction speed is very fast, contrast is higher, visual angle is wider, extremely people's favor.
At present, in order further to optimize the true color display effect of AMOLED, conventionally by color membrane substrates is set, realize the true color of white light AMOLED, allow the white light that AMOLED sends see through color membrane substrates, thereby realize the true color demonstration of white light AMOLED.
The technology that realizes AMOLED true color by color membrane substrates is set mainly contains two kinds, and a kind of is FMM technology, by vapour deposition method evaporation on display base plate, forms R, G, the color rete of B.FMM technology easily causes colour mixture problem, and yield is low; In addition, FMM technology is difficult to reach high-res, so the true color that adopts FMM technology to realize AMOLED is difficult to the large line that produces from generation to generation of reply.Another kind is WOLED+CF method (being that white light+colored filter is realized AMOLED true color), adopts WOLED+CF method to realize the true color of top emission type AMOLED, has the advantages such as the high and backboard processing procedure of AMOLED aperture opening ratio is simpler and easy, is widely adopted at present.
Top emission type AMOLED refers to that light is penetrated to color membrane substrates side by array base palte.The true color of realizing top emission type AMOLED by WOLED+CF method is normally arranged on color rete on color membrane substrates, then color membrane substrates and array base palte is carried out box.For guarantee color membrane substrates and array base palte to box precision, and increase the reliability of AMOLED panel, color membrane substrates adopts glass as substrate more; Meanwhile, in order to reduce extraneous reflection of light, increase the contrast of AMOLED panel, on color membrane substrates, also need to stick one deck rotatory polarization sheet.
For AMOLED panel is well protected, in color membrane substrates, the thickness of glass substrate need to be arranged on 500 μ m left and right conventionally, this increases the thickness of AMOLED panel greatly, in addition, rotatory polarization sheet also will be sticked on color membrane substrates, such structure makes AMOLED panel become heavier, is unfavorable for the lightening of AMOLED panel.
Summary of the invention
The present invention is directed to the above-mentioned technical problem existing in prior art, a kind of AMOLED display floater and preparation method thereof and display unit are provided.This AMOLED display floater, by water blocking layer is set in color membrane substrates, can not only form good protection to AMOLED display floater, and the integral thickness that can make AMOLED display floater attenuate greatly, thereby makes AMOLED display floater become more frivolous.
The invention provides a kind of AMOLED display floater, comprise the array base palte of box and color membrane substrates, described color membrane substrates comprises anti-reflecting layer and the color rete and the black matrix that with layer, arrange, described anti-reflecting layer is positioned at the side away from described array base palte of described color rete and described black matrix, described color membrane substrates also comprises water blocking layer, described water blocking layer is arranged on a side of the close described array base palte of described color rete and described black matrix, or described water blocking layer is arranged between described anti-reflecting layer and described color rete and described black matrix.
Preferably, the thickness range of described water blocking layer is 0.1-10 μ m.
Preferably, described water blocking layer is single rete or mutually covers folded a plurality of retes.
Preferably, described single rete adopts inorganic material to make, and described a plurality of retes comprise the rete that employing inorganic material is made and the rete that adopts organic substance material to make; Described inorganic material comprises silicon nitride or silica, and described organic substance material comprises poly epoxy resin or polyacrylic acid.
Preferably, described anti-reflecting layer comprises and covers successively folded quarter wave plate, glue material and line polaroid, described line polaroid than described quarter wave plate further from described array base palte.
Preferably, described quarter wave plate adopts COP optical material, and described glue material adopts polyacrylic acid material.
Preferably, described color rete is RGB tri-color retes or RGBW tetra-color retes.
Preferably, be provided with laminating glue material between described array base palte and described color membrane substrates, described laminating glue material can make described array base palte and described color membrane substrates correspondence fit and be bonded together;
Bottom electrode, electroluminescence layer, top electrode and thin-film encapsulation layer that described array base palte comprises infrabasal plate and is successively set on described infrabasal plate top.
Preferably, described thin-film encapsulation layer is single rete or mutually covers folded a plurality of retes, and the material of described thin-film encapsulation layer is identical with described water blocking layer, and described laminating glue material adopts epoxide resin material.
Preferably, described laminating glue material correspondence is positioned at the surrounding frame region of described array base palte and described color membrane substrates, or described laminating glue material is covered with whole that described array base palte is faced mutually with described color membrane substrates.
Preferably, described infrabasal plate adopts glass or plastic material, and described plastic material is polythioamine.
The present invention also provides a kind of display unit, comprises above-mentioned AMOLED display floater.
The present invention also provides a kind of preparation method of above-mentioned AMOLED display floater, comprises and prepares array base palte, also comprises and prepares color membrane substrates, and described array base palte and described color membrane substrates are carried out box, and the described color membrane substrates of preparing comprises the step that forms water blocking layer.
Preferably, the described color membrane substrates of preparing, and described array base palte and described color membrane substrates are carried out box specifically to comprise:
Step S1: form quarter wave plate in glass support plate;
Step S2: adopt composition technique successively to form the figure that comprises color rete and black matrix in the described glass support plate of completing steps S1;
Step S3: form water blocking layer in the described glass support plate of completing steps S2;
Step S4: coating or stickup laminating glue material in the described glass support plate of completing steps S3, and described array base palte is carried out to corresponding laminating with the described glass support plate of completing steps S3;
Step S5: described glass support plate is taken off;
Step S6: apply glue material on online polaroid, and described line polaroid is attached on described quarter wave plate.
Preferably, the described color membrane substrates of preparing, and described array base palte and described color membrane substrates are carried out box specifically to comprise:
Step S1: form quarter wave plate in glass support plate;
Step S2: form water blocking layer in the described glass support plate of completing steps S1;
Step S3: adopt composition technique successively to form the figure that comprises color rete and black matrix in the described glass support plate of completing steps S2;
Step S4: coating or stickup laminating glue material in the described glass support plate of completing steps S3, and described array base palte is carried out to corresponding laminating with the described glass support plate of completing steps S3;
Step S5: described glass support plate is taken off;
Step S6: apply glue material on online polaroid, and described line polaroid is attached on described quarter wave plate.
Preferably, adopt the method for physical vapour deposition (PVD) or chemical vapour deposition (CVD) to form described water blocking layer.
Beneficial effect of the present invention: AMOLED display floater provided by the present invention; by water blocking layer is set in color membrane substrates; can prevent moisture intrusion AMOLED display floater; thereby AMOLED display floater is formed to good protection; the setting of water blocking layer makes in color membrane substrates, not need to arrange glass substrate again; because the thickness of water blocking layer is little more a lot of than the thickness of glass substrate; so the integral thickness that the arranging of water blocking layer can make AMOLED display floater is attenuate greatly, thereby makes AMOLED display floater become more frivolous.
Display unit provided by the present invention, by adopting above-mentioned AMOLED display floater, makes this display unit not only can prevent that moisture from invading, and what can also make itself to become is more frivolous.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of AMOLED display floater in the embodiment of the present invention 1;
Fig. 2 a forms the schematic diagram of quarter wave plate in glass support plate in embodiment 1 step S1;
Fig. 2 b forms the schematic diagram of color rete and black matrix in glass support plate in embodiment 1 step S2;
Fig. 2 c forms the schematic diagram of water blocking layer in glass support plate in embodiment 1 step S3;
Fig. 2 d is by the schematic diagram of array base palte laminating corresponding to glass support plate in embodiment 1 step S4;
Fig. 2 e takes off the schematic diagram of glass support plate in embodiment 1 step S5;
Fig. 2 f pastes the schematic diagram of line polaroid in embodiment 1 step S6;
Fig. 3 is the structure cutaway view of AMOLED display floater in the embodiment of the present invention 2;
Fig. 4 a forms the schematic diagram of quarter wave plate in glass support plate in embodiment 2 step S1;
Fig. 4 b forms the schematic diagram of water blocking layer in glass support plate in embodiment 2 step S2;
Fig. 4 c forms the schematic diagram of color rete and black matrix in glass support plate in embodiment 2 step S3;
Fig. 4 d is by the schematic diagram of array base palte laminating corresponding to glass support plate in embodiment 2 step S4;
Fig. 4 e takes off the schematic diagram of glass support plate in embodiment 2 step S5;
Fig. 4 f pastes the schematic diagram of line polaroid in embodiment 2 step S6.
Description of reference numerals wherein:
1. array base palte; 11. infrabasal plates; 12. bottom electrodes; 13. electroluminescence layers; 14. top electrodes; 15. thin-film encapsulation layer; 2. color membrane substrates; 21. anti-reflecting layers; 211.1/4 wave plate; 212. glue materials; 213. line polaroids; 22. color retes; 23. black matrixes; 24. water blocking layers; 3. laminating glue material; 4. glass support plate.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, a kind of AMOLED display floater provided by the present invention and preparation method thereof and display unit are described in further detail.
Embodiment 1:
The present embodiment provides a kind of AMOLED display floater, as shown in Figure 1, comprise the array base palte 1 of box and color membrane substrates 2, color membrane substrates 2 comprises anti-reflecting layer 21 and the color rete 22 and the black matrix 23 that with layer, arrange, anti-reflecting layer 21 is positioned at the side away from array base palte 1 of color rete 22 and black matrix 23, color membrane substrates 2 also comprises water blocking layer 24, and water blocking layer 24 is arranged on a side of the close array base palte 1 of color rete 22 and black matrix 23.
Wherein, the thickness range of water blocking layer 24 is 0.1-10 μ m.Water blocking layer 24 is single rete; single rete adopts inorganic material to make; wherein; inorganic material comprises silicon nitride or silica; this inorganic material had both had good light transmission; there is again good block-water performance, thereby water blocking layer 24 can well be protected AMOLED display floater, do not hinder again the normal demonstration of AMOLED display floater.
It should be noted that, water blocking layer 24 also can be for mutually covering folded a plurality of retes, and a plurality of retes comprise the rete that employing inorganic material is made and the rete that adopts organic substance material to make; Wherein, organic substance material comprises poly epoxy resin or polyacrylic acid.Because organic substance material is better than the pliability of inorganic material, so the rete that the rete that organic substance material is made and inorganic material are made covers the folded pliability that can improve whole water blocking layer 24 mutually.
The setting of water blocking layer 24 can prevent moisture intrusion AMOLED display floater, thereby AMOLED display floater is formed to good protection; Simultaneously, in the color membrane substrates that is arranged so that AMOLED display floater of water blocking layer 24, do not need to arrange again glass substrate, and the thickness of water blocking layer 24 is little more a lot of than the thickness of glass substrate, thereby the integral thickness that can make AMOLED display floater is attenuate greatly, makes AMOLED display floater become more frivolous.
In the present embodiment, anti-reflecting layer 21 comprises and covers successively folded quarter wave plate 211, glue material 212 and line polaroid 213, line polaroid 213 than quarter wave plate 211 further from array base palte 1.AMOLED display floater in the present embodiment is top emission type, and anti-reflecting layer 21 is arranged on the bright dipping side of AMOLED display floater, and light is from color membrane substrates 2 side outgoing; When ambient lighting is mapped on AMOLED display floater, first pass through line polaroid 213, the light that sees through line polaroid 213 becomes the linearly polarized light of same polarization direction; Then, this linearly polarized light, after quarter wave plate 211, has produced 1/4 optical path difference; Then, the linearly polarized light that has produced 1/4 optical path difference passes through quarter wave plate 211 again by reflection, has produced again 1/4 optical path difference; So far, the linearly polarized light that sees through line polaroid 213 has produced 1/2 optical path difference altogether, owing to also having there is change in the polarization direction of the linearly polarized light of this 1/2 optical path difference, so it cannot see through line polaroid 213 again, thereby anti-reflecting layer 21 has been played, reduce the effect of external environment light reflection, and then increased the contrast of AMOLED display floater.
Wherein, quarter wave plate 211 adopts COP optical material, and this material has lower optical path difference deviation, can improve the optical property of quarter wave plate 211.Glue material 212 adopts polyacrylic acid material, and this material can make quarter wave plate 211 and line polaroid 213 be bonded together, and the light that can not affect between quarter wave plate 211 and line polaroid 213 again sees through.
In the present embodiment, color rete 22 is RGB tri-color retes or RGBW tetra-color retes.
In the present embodiment, be provided with laminating glue material 3 between array base palte 1 and color membrane substrates 2, laminating glue material 3 can make array base palte 1 and color membrane substrates 2 correspondences fit and be bonded together.Array base palte 1 comprises infrabasal plate 11 and is successively set on the bottom electrode 12 of infrabasal plate 11 tops, electroluminescence layer 13, top electrode 14 and thin-film encapsulation layer 15.
Wherein, thin-film encapsulation layer 15 is for single rete or mutually cover folded a plurality of retes, and the material of thin-film encapsulation layer 15 is identical with water blocking layer 24, and laminating glue material 3 adopts epoxide resin material.Laminating glue material 3 easily causes damage to OLED device (being electroluminescence layer 13); the setting of thin-film encapsulation layer 15 can be kept apart laminating glue material 3 and the OLED device (being electroluminescence layer 13) on array base palte 1, thereby can effectively protect OLED device (being electroluminescence layer 13) avoid the fitting infringement of glue material 3.
In the present embodiment, laminating glue material 3 is covered with whole (if laminating glue material 3 is double faced adhesive tape) that array base palte 1 is faced mutually with color membrane substrates 2.It should be noted that, laminating glue material 3 also can corresponding be positioned at the surrounding frame region of array base palte 1 and color membrane substrates 2.No matter be the surrounding frame region that correspondence is positioned at AMOLED display floater, or corresponding whole of being positioned at AMOLED display floater goes up, laminating glue material 3 can both make array base palte 1 and color membrane substrates 2 be bonded together securely.
In the present embodiment, infrabasal plate 11 adopts plastic material, and plastic material is polythioamine.This material has certain pliability and flexibility, can make whole AMOLED display floater flexible, thereby make the setting of AMOLED display floater more flexible.Certainly, infrabasal plate 11 also can adopt glass material.
Structure based on above-mentioned AMOLED display floater, the present embodiment also provides a kind of preparation method of AMOLED display floater, comprises and prepares array base palte, also comprises and prepares color membrane substrates, and array base palte and color membrane substrates are carried out box, prepare color membrane substrates and comprise the step that forms water blocking layer.
Wherein, array base palte be prepared as conventional method of the prior art, no longer describe in detail here.Prepare color membrane substrates, and array base palte and color membrane substrates carried out box specifically to comprise the following steps as shown in Fig. 2 a-Fig. 2 f:
Step S1: form quarter wave plate 211 in glass support plate 4.
In this step, form quarter wave plate 211 and can in glass support plate 4, first apply one deck COP optical material, then this material is dried; Or, also the quarter wave plate having formed 211 can be bonded in glass support plate 4 by adhesive glue.
Step S2: adopt composition technique successively to form the figure that comprises color rete 22 and black matrix 23 in the glass support plate 4 of completing steps S1.
In this step, also can first form black matrix 23, after form again color rete.Composition technique wherein comprises and first in the glass support plate 4 of completing steps S1, applies one deck as color rete film or black matrix film, then to this coloured silk rete film or black matrix film expose, development and etching, the final figure that comprises color rete 22 or black matrix 23 that forms.
Step S3: form water blocking layer 24 in the glass support plate 4 of completing steps S2.
In this step, water blocking layer 24 adopts the method for physical vapour deposition (PVD) (being vacuum evaporation PVD) or chemical vapour deposition (CVD) (CVD) to form.
Step S4: coating or stickup laminating glue material 3 in the glass support plate 4 of completing steps S3, and array base palte 1 is carried out to corresponding laminating with the glass support plate 4 of completing steps S3.
Step S5: glass support plate 4 is taken off.
In this step, first by Ear Mucosa Treated by He Ne Laser Irradiation, make to depart between glass support plate 4 and quarter wave plate 211, then glass support plate 4 is taken off.
Step S6: apply glue material 212 on online polaroid 213, and line polaroid 213 is attached on quarter wave plate 211.
So far, AMOLED display floater is prepared complete.
Embodiment 2:
The present embodiment provides a kind of AMOLED display floater, and as different from Example 1, as shown in Figure 3, water blocking layer 24 is arranged between anti-reflecting layer 21 and color rete 22 and black matrix 23.
In the present embodiment, other structures of AMOLED display floater are in the same manner as in Example 1, repeat no more herein.
Structure based on above-mentioned AMOLED display floater, the present embodiment also provides a kind of preparation method of AMOLED display floater, different from the preparation method of AMOLED display floater in embodiment 1 is, prepare color membrane substrates, and array base palte and color membrane substrates carried out box specifically to comprise the following steps as shown in Fig. 4 a-Fig. 4 f:
Step S1: form quarter wave plate 211 in glass support plate 4.
Step S2: form water blocking layer 24 in the glass support plate 4 of completing steps S1.
Step S3: adopt composition technique successively to form the figure that comprises color rete 22 and black matrix 23 in the glass support plate 4 of completing steps S2.
Step S4: coating or stickup laminating glue material 3 in the glass support plate 4 of completing steps S3, and array base palte 1 is carried out to corresponding laminating with the glass support plate 4 of completing steps S3.
Step S5: glass support plate 4 is taken off.
Step S6: apply glue material 212 on online polaroid 213, and line polaroid 213 is attached on quarter wave plate 211.
Concrete preparation method in above-mentioned steps S1-step S6 is in the same manner as in Example 1, does not repeat them here.
The beneficial effect of embodiment 1-2: the AMOLED display floater providing in embodiment 1-2; by water blocking layer is set in color membrane substrates; can prevent moisture intrusion AMOLED display floater; thereby AMOLED display floater is formed to good protection; the setting of water blocking layer makes in color membrane substrates, not need to arrange glass substrate again; because the thickness of water blocking layer is little more a lot of than the thickness of glass substrate; so the integral thickness that the arranging of water blocking layer can make AMOLED display floater is attenuate greatly, thereby makes AMOLED display floater become more frivolous.
Embodiment 3:
The present embodiment provides a kind of display unit, comprises the AMOLED display floater of embodiment 1-2 in arbitrary.
By adopting the AMOLED display floater of embodiment 1-2 in arbitrary, make this display unit not only can prevent that moisture from invading, what can also make itself to become is more frivolous.
Be understandable that, above execution mode is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.